 | Primary Iron & Steel |
| Iron & Steel Castings |
| Primary & Refined Nonferrous Metals |
| Secondary Nonferrous Metals, Alloys |
| nonferrous Rolling & Drawing |
| Nonferrous Castings |
| Metal Treating & Metals |
| Fabricated Metal Products |
| Metal Cans, Barrels, Drums & Pails |
| Cutlery, Hand Tools & Hardware |
| Plumbing & Heating Equipment |
| Fabricated Structural Metal Products |
| Metal Doors, Sash & Trim |
| Fabricated Plate Work |
| Sheet Metalwork |
| Architectural Metal Work |
| Prefabricated Metal Buildings |
| Screw Machine Products & Fasteners |
| Metal Forgings & Stampings |
| Metal Plating & Coating |
| Industrial Valves |
| Fluid Power Valves & Fittings |
| Steel Springs |
| Valves & Pipe fittings |
| Wire Springs |
| Fabricated Wire Products |
| Metal Foil & Leaf |
| Fabricated Pipe & Tubing |
